package com.util;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;


@WebFilter("/SetCharacterEncodingFilter")
public class SetCharacterEncodingFilter implements Filter {
	String encoding;

    public SetCharacterEncodingFilter() {
    }
    
    public void init(FilterConfig fConfig) throws ServletException {
    	this.encoding=fConfig.getInitParameter("encoding");
    }

	public void destroy() {
		this.encoding=null;
	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		if(encoding==null)
		   encoding="UTF-8";
		request.setCharacterEncoding(encoding);
		chain.doFilter(request, response);
	}

	
}
